Tokyo, Japan

Yuji Nakamura

This inventor holds 2 USPTO granted patents. Top assignee: Kureha Kagaku Kogyo Kabushiki Kaisha. Active years: 1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuji Nakamura. Retrieved from https://idiyas.com/inventor/yuji-nakamura-qiggc4mx

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 2

Forward Citations = 63(Granted Patents)


Company Filing History:


Years Active: 1977

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2 patents (USPTO):Explore Patents

Title: Yuji Nakamura: Innovator in Heavy Petroleum Oil Treatment

Introduction

Yuji Nakamura is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of petroleum engineering, particularly in the treatment of heavy petroleum oil. With a total of 2 patents, his work focuses on innovative methods to enhance the efficiency of thermal cracking processes.

Latest Patents

Nakamura's latest patents include a method for the treatment of heavy petroleum oil that addresses the challenges of coking in tubular type heating furnaces. In his first patent, he describes the addition of a specific inorganic substance in a precise proportion to prevent coking during the thermal cracking of heavy petroleum oil with an API specific gravity of not more than 25. His second patent further elaborates on this process by introducing the application of a magnetic field transversely to the flow of heavy petroleum oil. This method aims to prevent coking troubles by incorporating a specific inorganic substance before the oil is subjected to the magnetic field or simultaneous application of magnetic field and direct-current voltage.

Career Highlights

Yuji Nakamura is associated with Kureha Kagaku Kogyo Kabushiki Kaisha, where he continues to develop innovative solutions for the petroleum industry. His expertise in thermal cracking processes has positioned him as a key figure in advancing technologies that improve oil treatment efficiency.

Collaborations

Throughout his career, Nakamura has collaborated with notable colleagues such as Koji Seguchi and Minoru Sugita. Their combined efforts have contributed to the development of effective methods for heavy petroleum oil treatment.

Conclusion

Yuji Nakamura's innovative approaches to heavy petroleum oil treatment demonstrate his commitment to advancing the field of petroleum engineering. His patents reflect a deep understanding of the complexities involved in thermal cracking processes, making him a valuable contributor to the industry.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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